High quality: The brush handle is made of high-quality ABS plastic, which is strong and non-slip. The brush heads on both sides are made of stainless steel bristles, which are wear-resistant and corrosion-resistant. The inner reamer is made of alloy steel, which is sharp and durable, and is ideal for rust and burr removal. Multifunctional design: The copper pipe deburring tool has two cleaning holes of different sizes, suitable for pipes of different diameters, with brushes of different thicknesses on the front and back, durable and practical, and the inner and outer reamers can effectively remove burrs from metal and plastic pipes. Wide application: This copper pipe cleaner and reamer set can clean steel, machinery, metal surfaces, and paint stains, enabling easy and fast cleaning, polishing, and rust removal, helping restore pipes or tools to a like-new condition, a useful addition for household and industrial use. Excellent size: Tube brush length 19 cm, cleaning hole diameter 2 cm. Package included: This set includes 4 pieces of plumbing tools, 2 copper pipe cleaners, and 2 reamers, providing a complete solution for daily pipe cleaning and maintenance.